The Washer,recessed, cataloged under National Stock Number 5310-01-359-0254, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-359-0254 |
| Primary Part Number | 40A17496-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Material Thickness | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Recess Diameter | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 1330 OR STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Recess Angle | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40A17496-1 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 40A17496-1 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 5310-01-359-0254 is a Washer,recessed, manufactured by Raytheon Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-359-0254 has 1 manufacturer part number on file: 40A17496-1 (Raytheon Company).
Key specifications for 40A17496-1: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.